20412242011 has 16 divisors (see below), whose sum is σ = 23398740736. Its totient is φ = 17443442016.

The previous prime is 20412242003. The next prime is 20412242033. The reversal of 20412242011 is 11024221402.

It is not a de Polignac number, because 20412242011 - 2³ = 20412242003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20412242011.

It is not an unprimeable number, because it can be changed into a prime (20412242611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814840 + ... + 3820186.

It is an arithmetic number, because the mean of its divisors is an integer number (1462421296).

Almost surely, 2^20412242011 is an apocalyptic number.

20412242011 is a deficient number, since it is larger than the sum of its proper divisors (2986498725).

20412242011 is an equidigital number, since it uses as much as digits as its factorization.

20412242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20412242011 its reverse (11024221402), we get a palindrome (31436463413).

The spelling of 20412242011 in words is "twenty billion, four hundred twelve million, two hundred forty-two thousand, eleven".